PSU-3AC/ASi-8A

 Product characteristics

Power supply

Three-phase AS-i power supply
380…480 V AC

Integrated data decoupling

 Application

Application

AS-i system voltage for masters, sensors, actuators and modules

 Electrical data

Input voltage range [V]

380…480 AC; -15 % / +20 %

Nominal voltage [V]

3 x 400 AC

Frequency range [Hz]

47…64

Nominal frequency [Hz]

50 / 60

Output voltage (AS-i) [V]

30.5 DC

Output power [W]

244

Output power peak [W]

256; briefly to load bus capacities after power on

Power factor

0.53 (400 V AC; 50 Hz) / 0.52 (480 V AC; 60 Hz)

Power reserve [%]

5

Output current (AS-i) [A]

8

Residual ripple [mVpp]

< 90

Switch-on peak current [A]

4 (400 V AC; 50 Hz) / 4 (480 V AC; 60 Hz)

Efficiency [%]

92 (400 V AC; 50 Hz) / 92.1 (480 V AC; 60 Hz)

Short-circuit proof

yes

Overload protection

yes

Overload performance

constant output current

Overvoltage protection [V]

< 36

Excess temperature protection

yes

External input protection

≤ B-6 A / ≤ C-3 A

Power-on delay time [ms]

≤ 90

Derating [W/K]

6 (60…70 °C)

Mains buffering time [ms]

34 (400 V AC; 50 Hz) / 53 (480 V AC; 60 Hz)

Protection class

I

Input current [A]

0.7 (400 V AC; 50 Hz) / 0.6 (480 V AC; 60 Hz)

Power loss [W]

21.2 (400 V AC; 50 Hz) / 20.9 (480 V AC; 60 Hz)

Back feeding protection [V]

≤ 35 DC

Block diagram

Output curve

Characteristic curve for degree of efficiency / power loss

Characteristic curve for derating

Characteristic curve for mains buffering time

 Outputs

Parallel connection of outputs

no

Series connection of outputs

no

 Environment

Ambient temperature [°C]

-25…70, observe the free space for convection (see operating instructions)

Storage temperature [°C]

-40…85

Max. relative air humidity [%]

95, (IEC 60068-2-30)

Protection

IP 20

Degree of soiling

2; (IEC 62103) conductive soiling not permitted

 Tests / approvals

EMC

UL

UL 508 (Industrial Control Equipment)

Power Factor Correction (PFC)

met

Shock resistance

Vibration resistance

MTBF [h]

915000

 AS-i classification

AS-i certificate

98401

 Mechanical data

Housing materials

steel sheet

Installation

rail TH35 (to EN 60715)

Weight [kg]

0.936

 Displays / operating elements

Function display LED

green (indication AS-i voltage)

 Electrical connection

Connection

screw terminals

Wiring